.App {
    /* height: 100vh; */
    /* border: 1px solid red; */
    box-sizing: border-box;
    /* text-align: center; */
    /* box-sizing: border-box; */
    margin: 0 auto;
    font-size: 14px;
}

.main-content {
    /* height: 100vh; */
    background-color: rgb(250, 250, 250);
    /* padding-bottom: 100px; */
}

* {
    touch-action: none；
}